Patents by Inventor Edward A. Grondin

Edward A. Grondin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5234010
    Abstract: A device for cleaning extended wear soft contact lenses using liquid cleaning media is provided having a closed vessel for containing the liquid at a suitable level to wash the lenses which are rotated about a vertical axis in an upright position across the path of rotation with a swirling action imparted to the liquid with limited turbulence resulting in a gentle effective cleaning action.
    Type: Grant
    Filed: October 29, 1990
    Date of Patent: August 10, 1993
    Inventors: Edward A. Grondin, deceased, by Carol F. Grondin, executrix
  • Patent number: 4432296
    Abstract: Apparatus and method of tufting are disclosed wherein the edges of carpet backing and the like are folded to assure presenting a desired width of backing to the tufting needles in proper position thus avoiding the necessity for making an excessive width of carpet in order to assure an adequate usable width of finished carpet thereby avoiding waste.
    Type: Grant
    Filed: April 6, 1982
    Date of Patent: February 21, 1984
    Inventor: Edward A. Grondin
  • Patent number: 4301602
    Abstract: Apparatus for extracting liquid from a moving web having reduced suction requirements, conserving space and being more servicable may be provided through the use of an upper wear surface constructed of ultra high molecular weight polyethylene having a transverse slot therein over which the web passes, together with elongated transverse inserts for blocking end portions of the slot responsive to movement of the web from side to side as it drifts or wanders during its movement over the slot.
    Type: Grant
    Filed: January 8, 1981
    Date of Patent: November 24, 1981
    Assignee: Fintex, Inc.
    Inventors: Edward A. Grondin, Lawrence R. Tulloch, Martin P. Perkins, Jr., Alexander P. Krstovic, Bryon W. McCoy, Kevin P. Morey